// Copyright 2022 Linkall Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package pkg

import (
	"crypto/md5"
	"fmt"
)

func GetIDByAddr(addr string) string {
	return fmt.Sprintf("%x", md5.Sum([]byte(addr)))
}

func IsSpace(c byte) bool {
	return c <= ' ' && (c == ' ' || c == '\t' || c == '\r' || c == '\n')
}
